If 100.0 mL of 0.426 M NaOH solution is diluted to 500.0 mL, what is the concentration of the diluted solution?

Match the mixture with the substance// i really need on this guys (it’s a pic btw)

If you chip a tooth, most likely you will go to the dentist to have the missing material filled in. currently the material used to fill in teeth is a polymer that is flexible when put in, yet is hardened to the strength of a tooth after irradiation with blue light at a wavelength of 461 nm. what is the energy in joules for a photon of light at this wavelength?

Some animals that try to adapt to climate changes eventually die due to starvation, as climate change alters the web.